**Basic Info**
Product Name: Thulium(III) oxide
Synonyms: Thulium oxide; Thulia; Dithulium trioxide
CAS No.: 12036-44-1
EINECS: 234-851-6
Molecular Formula: Tm?O?
Molecular Weight: 385.87
MDL Number: MFCD00011285
Category: Rare Earth Oxide

**Physical Properties**
Appearance: White to pale green powder
Density: 8.6 g/cm3
Melting Point: 2341 ℃
Solubility: Insoluble in water, slightly soluble in strong mineral acids
Hygroscopicity: Slightly hygroscopic, absorbs moisture and CO? from air

**Specifications**
Tm?O?/REO: 99.5%, 99.9%, 99.99%, 99.999%
Non-rare earth impurities: Fe?O?, CaO, SiO? etc.
Particle size: Customized

**Application**
Used as dopant for garnet laser crystals, phosphors, optical glass and ceramic additives. Applied in portable X-ray devices, metal halide lamps, fuel cells and nuclear reactor control materials.

**Packing & Storage**
Package: 25kg/drum or customized
Storage: Sealed, dry and ventilated warehouse, keep away from moisture.

**Brief Introduction**
Thulium(III) oxide is a rare earth sesquioxide, white to pale green powder with high melting point. It is slightly soluble in strong acids and hygroscopic in air. Widely used in laser materials, optics, electronics and nuclear industries.

Basic Info Product Name: Dysprosium Oxide Synonyms: Dysprosium(III) oxide; Dysprosia; Didysprosium trioxide CAS No.: 1308-87-8 EINECS: 215-164-0 Molecular Formula: Dy?O? Molecular Weight: 372.998 MDL Number: MFCD00010986 Category: Rare Earth Oxide

Physical Properties Appearance: White to pale yellow powder Density: 7.81 g/cm3 Melting Point: 2408 ℃ Solubility: Insoluble in water, soluble in mineral acids Hygroscopicity: Slightly hygroscopic

Specifications Dy?O?/REO: 99.5%,99.9%,99.99% Non-rare earth impurities: Fe?O?, CaO, SiO? etc.

Application Raw material for producing dysprosium metal. Used for magnetic materials, laser materials, glass, ceramics, phosphor, metal halide lamps, neutron absorber.

Packing & Storage Package: 25kg/drum or customized Storage: Sealed, dry and ventilated warehouse, keep away from moisture.

Brief Introduction Dysprosium oxide is a rare earth oxide, white or light yellow powder. It has high melting point, can react with acid to produce dysprosium salt. Widely applied in rare earth permanent magnet, optoelectronic and ceramic industries.

Frequently Asked Questions
Q1: Can I get some samples?
A: Yes, we can provide free samples and you only need to pay for shipping.
Q2: How do you ensure the quality of your products?
A: We will make samples before mass production, and after the samples are approved, we will begin mass production. 100% inspection is conducted during the production process, followed by random sampling before packaging.
Q3: What is your minimum order quantity?
Answer: Our minimum order quantity is usually 1 kilogram. But we can also accept smaller quantities, such as 100 grams, on the condition that the sample fee is paid 100%.
Q4: How to start an order or make a payment?
A: After confirming the order, we will first send a PI with our bank information attached. Through Paypal, T/T, Western Union remittance LC、 ******Payment is possible.
Q5: How do you handle quality complaints?
A: Firstly, our quality control system reduces quality issues to almost zero. If the quality issue is indeed caused by us, we will replace the product for you free of charge or refund your loss.